Gao Li-Ke, Zhao Xian-Hao, Diao Xin-Feng, Tang Tian-Yu, Tang Yan-Lin. First-principles study of photoelectric properties of CsSnBr3 under hydrostatic pressureJ. Acta Physica Sinica, 2021, 70(15): 158801. DOI: 10.7498/aps.70.20210397